# -*- coding = utf-8 -*-
# @Time:2021/11/7 16:09
# @Author:zhangchuhan
# @File:demo01.py
# @Software:PyCharm
'''
password = input("请输入密码：")
print("您输入的密码是：",password)
print(type(password))
'''
'''
a = 1
if a==1:
print(a)
else:
print("false")
'''
'''
if-else语句小程序
score = int(input("请输入您的成绩："))
if score >= 90:
print("本次考试等级为A")
elif score >=80 and score<90:
print("本次考试等级为B")
elif score >=70 and score<80:
print("本次考试等级为C")
elif score >=60 and score<70:
print("本次考试等级为D")
elif score < 60:
print("本次考试成绩为E")
'''
'''
import random
x = random.randint(0,6)
print(x)
'''
'''
#作业1石头剪刀布游戏效果
import random
x=random.randint(0,2)
msg = int(input("请输入：剪刀（0），石头（1），布（2）：_"))
if msg == 0 :
print("你的输入为：剪刀（0）")
elif msg == 1:
print("你的输入为：（1）")
elif msg == 2:
print("你的输入为：布（2）")
print("随机生成数字为：%d"%x)
if msg == x:
print("哇塞！你赢啦：）")
else :
print("哈哈！你输啦：）")
'''
'''
#for循环例一
for i in range(1,5):
print(i)
'''
'''
for i in range(0,10,3): #从0开始，到11结束，步进值为3（每次加三）
print(i)
'''
'''
#for循环对字符串
name = "beijing"
for i in name:
print(i,end="t")
'''
'''
a = ["aa","ss","dd"]
for i in range(len(a)):
print(i)
'''
'''
i = 0
while i<5:
print("当前是第%d次执行循环"%(i+1))
print("i=%d"%i)
i+=1
'''
'''
#1到100求和
n = 100
sum = 0
i = 1
while i <= n:
sum += i
i += 1
print("1到%d的和为%d"%(n,sum))
'''
'''
i = 0
while i<10:
i = i+1
print("*"*30)
if i==5:
continue
print(i)
'''
'''
#作业2：使用for循环和while循环，打印九九乘法表。
for i in range(1,10):
for j in range(1,i+1):
print("%d*%d=%dt" %(i, j, i * j), end=' ')
print()
'''
'''
#python中的字符串可以使用单引号，双引号，三引号括起来，用反斜杠转义特殊字符
#注意转义字符的使用
word = 'chuchu'time'
juzi = "I said "I like u""
ll = '''hhh'''
print(word)
print(juzi)
print(ll)
'''
'''
str = "shandong"
print(str)
#[起始位置：结束位置：步进值]
print(str[0:6]) #shando
print(str[0]) #s
print(str[0:6:2]) #sad
print(str[:5]) #shand
print(str[5:]) #ong
print("hello,"+str) #hello,shandong 字符串连接，使用 +
print(str*2) #shandongshandong
print("hellonshandong")
print(r"hellonshandong") #在字符串前面加r，表示直接显示原始字符串，不进行转义
'''
'''
#列表
#namelist = [] #定义一个空的列表
namelist = ["小张","小王","小李"]
testlist = [1,"a"]
print(namelist[1])
'''
'''
namelist = ["小张","小王","小李"]
for name in namelist:
print(name)
print(len(namelist)) #len()函数可以得到列表的长度
i = 0
while i
